Release platform

CHANGELOG.md

@@ -5,6 +5,14 @@ here. The release version is defined in the workspace root `package.json`.
 
 ## [Unreleased]
 
+## [0.3.1] - 2026-09-10
+
+### Added
+
+- Support DeepSeek V4.1 Flash through Vercel AI Gateway, DeepSeek, and
+  OpenRouter, with image input, reasoning, tool calls, provider-specific model
+  identifiers, token limits, and usage pricing.
+
 ## [0.3.0] - 2026-09-10
 
 ### Added

package.json

@@ -1,6 +1,6 @@
 {
   "name": "platform",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "private": true,
   "license": "Apache-2.0",
   "packageManager": "[email protected]",

platform/config/models.ts

@@ -2096,6 +2096,52 @@ export const openrouterLanguageModels: Record<
 
       // deepseek
 
+      'deepseek-v4.1-flash': {
+        description: `DeepSeek V4.1 Flash combines fast reasoning, coding, tool use, and native image understanding with a million-token context window.`,
+
+        provider: 'openrouter',
+
+        providerModel: 'deepseek/deepseek-v4.1-flash',
+
+        family: 'deepseek',
+
+        features: ['chat', 'functions', 'image', 'reasoning'],
+
+        region: 'us',
+        availableRegions: ['us'],
+
+        featured: true,
+
+        maxTokens: 1_048_576,
+        maxInputTokens: 1_048_576 - 384_000,
+        maxOutputTokens: 384_000,
+
+        // @note published off-peak pricing; provider peak-hour rates may be higher
+        pricing: {
+          tokenRatio: 0.0333,
+          inputTokenRatio: 0.0107,
+          outputTokenRatio: 0.0333,
+          inputPrice: 0.15,
+          outputPrice: 0.6,
+        },
+
+        interactionMaxMessages: DEFAULT_INTERACTION_MAX_MESSAGES,
+
+        thresholdStrategy: 'truncate',
+
+        visible: true,
+        deprecated: false,
+
+        temperature: DEFAULT_TEMPERATURE,
+
+        frequencyPenalty: 0,
+        presencePenalty: 0,
+
+        tags: [],
+
+        addedDate: '2026-09-10',
+      },
+
       'deepseek-v4-pro': {
         description: `Top-tier DeepSeek reasoning and coding for the most demanding production workloads. Built for high-context tasks that benefit from deeper deliberation.`,
 
@@ -4312,6 +4358,58 @@ export const vercelLanguageModels: Record<
         addedDate: '2026-04-24',
       },
 
+      'deepseek-v4.1-flash': {
+        description: `DeepSeek V4.1 Flash combines fast reasoning, coding, tool use, and native image understanding with a million-token context window.`,
+
+        provider: 'vercel',
+
+        providerModel: 'deepseek/deepseek-v4.1-flash',
+
+        providerOptions: {
+          gateway: {
+            zeroDataRetention: false,
+          },
+        },
+
+        family: 'deepseek',
+
+        features: ['chat', 'functions', 'image', 'reasoning'],
+
+        region: 'us',
+        availableRegions: ['us'],
+
+        featured: true,
+
+        maxTokens: 1_000_000,
+        maxInputTokens: 1_000_000 - 384_000,
+        maxOutputTokens: 384_000,
+
+        // @note published off-peak pricing; provider peak-hour rates may be higher
+        pricing: {
+          tokenRatio: 0.0333,
+          inputTokenRatio: 0.0107,
+          outputTokenRatio: 0.0333,
+          inputPrice: 0.15,
+          outputPrice: 0.6,
+        },
+
+        interactionMaxMessages: DEFAULT_INTERACTION_MAX_MESSAGES,
+
+        thresholdStrategy: 'truncate',
+
+        visible: true,
+        deprecated: false,
+
+        temperature: DEFAULT_TEMPERATURE,
+
+        frequencyPenalty: 0,
+        presencePenalty: 0,
+
+        tags: [],
+
+        addedDate: '2026-09-10',
+      },
+
       'deepseek-v4-flash': {
         description: `Fast, cost-efficient DeepSeek reasoning for latency-sensitive workloads that still need a massive context window and strong tool use.`,
 
@@ -6686,6 +6784,54 @@ export const deepseekLanguageModels: Record<
         addedDate: '2026-04-24',
       },
 
+      'deepseek-v4.1-flash': {
+        description: `DeepSeek V4.1 Flash combines fast reasoning, coding, tool use, and native image understanding with a million-token context window.`,
+
+        provider: 'deepseek',
+
+        // @note the direct API serves v4.1 flash under the deepseek-flash identifier
+        // https://api-docs.deepseek.com/quick_start/pricing/
+        providerModel: 'deepseek-flash',
+
+        family: 'deepseek',
+
+        features: ['chat', 'functions', 'image', 'reasoning'],
+
+        region: 'us',
+        availableRegions: ['us'],
+
+        featured: true,
+
+        maxTokens: 1_000_000,
+        maxInputTokens: 1_000_000 - 384_000,
+        maxOutputTokens: 384_000,
+
+        // @note published off-peak pricing; provider peak-hour rates may be higher
+        pricing: {
+          tokenRatio: 0.0333,
+          inputTokenRatio: 0.0107,
+          outputTokenRatio: 0.0333,
+          inputPrice: 0.15,
+          outputPrice: 0.6,
+        },
+
+        interactionMaxMessages: DEFAULT_INTERACTION_MAX_MESSAGES,
+
+        thresholdStrategy: 'truncate',
+
+        visible: true,
+        deprecated: false,
+
+        temperature: DEFAULT_TEMPERATURE,
+
+        frequencyPenalty: 0,
+        presencePenalty: 0,
+
+        tags: [],
+
+        addedDate: '2026-09-10',
+      },
+
       'deepseek-v4-flash': {
         description: `Fast, cost-efficient DeepSeek reasoning for latency-sensitive workloads that still need a massive context window and strong tool use.`,